persistency = $persistency;
$this->user = $sqluser;
$this->password = $sqlpassword;
$this->server = $sqlserver;
$this->dbname = $database;
if($this->persistency)
{
$this->db_connect_id = @mysql_pconnect($this->server, $this->user, $this->password);
}
else
{
$this->db_connect_id = @mysql_connect($this->server, $this->user, $this->password);
}
if($this->db_connect_id)
{
if($database != "")
{
$this->dbname = $database;
$dbselect = @mysql_select_db($this->dbname);
if(!$dbselect)
{
@mysql_close($this->db_connect_id);
$this->db_connect_id = $dbselect;
}
}
return $this->db_connect_id;
}
else
{
return false;
}
}
//
// Other base methods
//
function sql_close()
{
if($this->db_connect_id)
{
if($this->query_result)
{
@mysql_free_result($this->query_result);
}
$result = @mysql_close($this->db_connect_id);
return $result;
}
else
{
return false;
}
}
//
// Base query method
//
function sql_query($query = "", $transaction = FALSE)
{
// Remove any pre-existing queries
unset($this->query_result);
if($query != "")
{
$this->num_queries++;
$this->query_result = @mysql_query($query, $this->db_connect_id);
}
if($this->query_result)
{
unset($this->row[$this->query_result]);
unset($this->rowset[$this->query_result]);
return $this->query_result;
}
else
{
return ( $transaction == END_TRANSACTION ) ? true : false;
}
}
//
// Other query methods
//
function sql_numrows($query_id = 0)
{
if(!$query_id)
{
$query_id = $this->query_result;
}
if($query_id)
{
$result = @mysql_num_rows($query_id);
return $result;
}
else
{
return false;
}
}
function sql_affectedrows()
{
if($this->db_connect_id)
{
$result = @mysql_affected_rows($this->db_connect_id);
return $result;
}
else
{
return false;
}
}
function sql_numfields($query_id = 0)
{
if(!$query_id)
{
$query_id = $this->query_result;
}
if($query_id)
{
$result = @mysql_num_fields($query_id);
return $result;
}
else
{
return false;
}
}
function sql_fieldname($offset, $query_id = 0)
{
if(!$query_id)
{
$query_id = $this->query_result;
}
if($query_id)
{
$result = @mysql_field_name($query_id, $offset);
return $result;
}
else
{
return false;
}
}
function sql_fieldtype($offset, $query_id = 0)
{
if(!$query_id)
{
$query_id = $this->query_result;
}
if($query_id)
{
$result = @mysql_field_type($query_id, $offset);
return $result;
}
else
{
return false;
}
}
function sql_fetchrow($query_id = 0)
{
if(!$query_id)
{
$query_id = $this->query_result;
}
if($query_id)
{
$this->row[$query_id] = @mysql_fetch_array($query_id);
return $this->row[$query_id];
}
else
{
return false;
}
}
function sql_fetchrowset($query_id = 0)
{
if(!$query_id)
{
$query_id = $this->query_result;
}
if($query_id)
{
unset($this->rowset[$query_id]);
unset($this->row[$query_id]);
while($this->rowset[$query_id] = @mysql_fetch_array($query_id))
{
$result[] = $this->rowset[$query_id];
}
return $result;
}
else
{
return false;
}
}
function sql_fetchfield($field, $rownum = -1, $query_id = 0)
{
if(!$query_id)
{
$query_id = $this->query_result;
}
if($query_id)
{
if($rownum > -1)
{
$result = @mysql_result($query_id, $rownum, $field);
}
else
{
if(empty($this->row[$query_id]) && empty($this->rowset[$query_id]))
{
if($this->sql_fetchrow())
{
$result = $this->row[$query_id][$field];
}
}
else
{
if($this->rowset[$query_id])
{
$result = $this->rowset[$query_id][$field];
}
else if($this->row[$query_id])
{
$result = $this->row[$query_id][$field];
}
}
}
return $result;
}
else
{
return false;
}
}
function sql_rowseek($rownum, $query_id = 0){
if(!$query_id)
{
$query_id = $this->query_result;
}
if($query_id)
{
$result = @mysql_data_seek($query_id, $rownum);
return $result;
}
else
{
return false;
}
}
function sql_nextid(){
if($this->db_connect_id)
{
$result = @mysql_insert_id($this->db_connect_id);
return $result;
}
else
{
return false;
}
}
function sql_freeresult($query_id = 0){
if(!$query_id)
{
$query_id = $this->query_result;
}
if ( $query_id )
{
unset($this->row[$query_id]);
unset($this->rowset[$query_id]);
@mysql_free_result($query_id);
return true;
}
else
{
return false;
}
}
function sql_error($query_id = 0)
{
$result["message"] = @mysql_error($this->db_connect_id);
$result["code"] = @mysql_errno($this->db_connect_id);
return $result;
}
} // class sql_db
} // if ... define
?>
e-REdING. Biblioteca de la Escuela Superior de Ingenieros de Sevilla.
